YOU SAID:
the quick brown fox jumps over the very lazy dog who is sleeping
INTO JAPANESE
すばしっこい茶色のキツネが、寝ているとても怠け者の犬を飛び越えます
BACK INTO ENGLISH
A nimble brown fox jumps over a sleeping very lazy dog
INTO JAPANESE
機敏な茶色のキツネが眠っている非常に怠惰な犬を飛び越えます
BACK INTO ENGLISH
Agile brown fox jumps over sleeping very lazy dog
INTO JAPANESE
機敏な茶色のキツネが眠っている非常に怠惰な犬を飛び越えます
BACK INTO ENGLISH
Agile brown fox jumps over sleeping very lazy dog
That didn't even make that much sense in English.